(For Schindewolfe had to admit that the empirical record revealed no direct evidence at all for a catastrophic mechanism of mass extinction, and he therefore had to seek a potential cause that would leave no testable sign of its operation! Can one possibly imagine an unhappier situation for science? - to face the prospect of a plausible explanation that does not, in principle, leave evidence for its validation.)"

Indeed.

But if that fails, cherry-picking the data is worth trying.

--------------"You can establish any “rule” you like if you start with the rule and then interpret the evidence accordingly." - George Gaylord Simpson (1902-1984)